Hi,
You can change the value of "SystemParameters.VerticalScrollBarWidthKey" which used to set the width for the ButtonSpinners :
You can change the value of "SystemParameters.VerticalScrollBarWidthKey" which used to set the width for the ButtonSpinners :
<xctk:IntegerUpDown Value="35"
Height="25">
<xctk:IntegerUpDown.Resources>
<sys:Double x:Key="{x:Static SystemParameters.VerticalScrollBarWidthKey}">50</sys:Double>
</xctk:IntegerUpDown.Resources>
</xctk:IntegerUpDown>